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I'm trying to find the difference between 661-5868 and a 661-6594

I have two different panels one is a 661-5868 and the other is a 661-6594. Is there a way to tell tell the difference between the two without installing them in my Model A1278

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The 661-6594 is compatible with:

MacBook Pro 13.3" 2.26GHz Core 2 Duo (A1278) - Mid 2009 MB990LL/A SKU177021

MacBook Pro 13.3" 2.4GHz Core 2 Duo (A1278) - Mid 2010 MC374LL/A SKU177022

GS177022

MacBook Pro 13.3" 2.53GHz Core 2 Duo (A1278) - Mid 2009 MB991LL/A SKU177021

MacBook Pro 13.3" 2.5GHz Core i5 (A1278) - Mid 2012 MD101LL/A SKU177023

MacBook Pro 13.3" 2.66GHz Core 2 Duo (A1278) - Mid 2010 MC375LL/A SKU177022

GS177022

MacBook Pro 13.3" 2.9GHz Core i7 (A1278) - Mid 2012 MD102LL/A SKU177023

The 661-5868 is compatible with:

MacBook Pro 13.3" 2.3GHz Core i5 (A1278) - Early 2011 MC700LL/A SKU22575

GS22575

GS22575B

MacBook Pro 13.3" 2.4GHz Core i5 (A1278) - Late 2011 MD313LL/A SKU22575

GS22575

GS22575B

MacBook Pro 13.3" 2.7GHz Core i7 (A1278) - Early 2011 MC724LL/A SKU22575

GS22575

GS22575B

MacBook Pro 13.3" 2.8GHz Core i7 (A1278) - Late 2011 MD314LL/A SKU22575

GS22575

GS22575B

Give us the last three figures of your serial number and we can tell which machine you have, located on the back of the machine in fine print.

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Comments:

Is there any reason why the 661-6594 won't work in a MacBook Pro Early 2011? If I put one of these instead of a 661-5868 will it make any difference?

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Hello, have you find out if you can swap 661-5868 with 661-6594? Thank you.

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The 661-5868 is compatible with: Compatibility

Identify your Mac

All Early 2011 13" Unibody MacBook Pros

All Late 2011 13" Unibody MacBook Pros

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It seems that the 2011 mbp 13 has on pin 5 BKL_VSYNC while 2012 mbp 13 has the pin 5 NotConnected (quite strange). All the other pins are the same. Later edit: Just installed a 2011 display assembly PN:661-5868 on a 2012 mbp 13 and everything works OK.

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